Riboflavine as an indicator of drug taking behaviour.
D002986:Clinical Trials as Topic; D004339:Drug Compounding; D004358:Drug Therapy; D005260:Female; D005453:Fluorescence; D006801:Humans; D008297:Male; D010919:Placebos; D012256:Riboflavin / Q000008:administration & dosage / Q000652:urine*; D013607:Tablets
D010919:Placebos; D013607:Tablets; D012256:Riboflavin